Ventilator attachment.



\ B. s. BOONE. v k VENTILATOB ATTACHMENT. APPLICATION IILED NOV. 11, 1907.

900,349. rawma Oct. 6,1908

Q/Vi h1 woes 2% TQM.

I imme 1mm) s'rivras PATENT oFFroE.

l iURllllilTl'l S. BUONl". Ol" PAXTON, ILLINOIS. I

VENTILATOR ATTACHMENT.

Specification of Letters Patent.

- Application filed November 11, 1907. Serial. No. 401,694.

No. 900,349. Patented Oct. 6, 1908.'

all whom it may concern: slides 2 are shifted longitudinally upon the Be it known that l, liunniarrn BOONE, a strip 1 until the extensions 6 are brought into citizen of the United States, residing at Pazc contact with opposite faces of a window ton, in the county of Ford and State'of Illicasing. They are then secured therein by 5 on, have iiivented a new and useful Venmeans of screws or other devices inserted tile-tor i kttnelnnent, ol which the following through the openings 7 and when so posiis a specification. tioned the strip 1 will extend throughout the This invention relates to ventilating'atwidth of the casing and directly in front of taohnients for windows oi that character dethe path of the sash, which has been indi- 1o nod to be used in hollnut'tli'ill with a partly cated at 8 so that an air space 9 is formed raised sash. between said strip and the sash. By raising "llie obivl-t l' the iH\.-lil)il is to provide the sash so that its lower edge assumes a ponn illfiili' llillilil nl this ehn -ier capable of sition adjacent but below the upper edge of being :uljihsted in {it n indow casings ol' ditthe body 1 air is free to enter the room by 1-5 l'i-rvnt widi the niitarlanu-et beingso conpassing under the sash and u ward and over I lilill iiil .o oii'or pix dim-ill; no hindrance the strip 1. The passage of ight under the in the p. i of light rays while the vontisash 8 will not be hindered because practil;\.iu$' i-= in plain. cally the entire ventilating attachment is vher ilij-rt in to pnwiile novel conformed of a transparent material.

so 5w 1 iioi in-PH tlu- \niinils portions of the In order that the ventilator maybe readily Yii'l'l nor: detached the extensionfi ma if desired, be

Wiih t and other objects in view the provided with inwardly ant upwardly exinvention con ists of certain novel features tending Lshaped slots 10 deslgned to eno! m'mztriu-tion and combinations of parts gage" retaining screws or buttons fastened to .55 wh'u-h will he hereinafter more fully dcthe inner 0r adjoining face of the window' scribed and pointed out in the (-laims. I casing. By slotting the mrte'nsions in this In the am-onipnnyitg drawings is shown manner it IS ossible, by raising the attachthe preform-d ,l'orin oi the invention. nient and pu ling it outward, to withdraw in said drnwingsi Figure 'l a perspective the extensions from engagement with the re- 30 \"l(\V ol' Ventilator constructed in aeeordtaining means. After said retaining means once with the pr sent invention. Fig. 2 is a have been once placed in position the ventisectiontherr-through showing the same in later can be readily mounted thereon at any positi n within indou' easing. Fig. 3 is a time without the necessityof using any detail view showing a modilivil lorni of extools.

35 tension. It will be seen that the device is very Slllllteierring to the liguros by characters of pie, durable and eflicient,'can be readily aprelerenee, l designates an elongated preler )lied, and is doubly desirable as a ventilator ably rectangular strip of diaphanous inameause it does not tend to darken the room terial, preferably glass; and upon each end in. which the window is located by obstruct-' 40 portion of this strip is arranged a slide 2 prefing any light rays.

erably 'iorn'ied of thin sheet metal and having What is claimed is: its upper and lower edge portions extending 1. A ventilator attachment comprising an at right angles from. one lace thereof as indi-" elongated diaphanous body strip, a slide emeated at 5-, and provided with inwardly exbracing and adjustably mounted upon each 45 tending ulining retaining llnnges 4, these end of the strip, each slide havin oppositely flanges and thehody portion of the slide disposed channels for the reception of oppoforming channels 5 in which the edge. porsite edge portions of the strip, an extension tions of strip 1 are designed to lit. An exupon each slide,-and inwardly and upwardly tension 6 projects from one end oi the slide 2 extending slots within each extension for de- 50 and preferably at right angles thereto and tachably engaging retaining means upon a.

., this extension has one or more openings 7 window casing;

therein for the re-:.-.eption of screws ,or other 2. The coin ination with a window casing suitable fastenin means. and headed fastening devices extending in usingthe t eviee herein described the from opposite facesthereof; of a ventilator 

